1. Cystic Fibrosis Centre; Rigshospitalet; Copenhagen 2100 Denmark
2. Department of Endocrinology; Rigshospitalet; Copenhagen 2100 Denmark
3. Faculty of Health Sciences; University of Copenhagen; Copenhagen Denmark
4. Department of Paediatrics; Herlev Hospital; Herlev 2730 Denmark
5. Paediatric Pulmonary Service, Department of Paediatrics and Adolescent Medicine; Rigshospitalet; Copenhagen 2100 Denmark